Q

An object is 20 cm in front of a concave mirror. Its image is 40 cm from the mirror on the same side. What is the magnification?

RRB Technicians Grade-III 29/12/2024 / Shift-I 2024
✓ Answer: C −2.0
u = −20 cm and v = −40 cm. Thus m = −v/u = −2.
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